Finding the Fourth Proportional to 105,252.36, 145,250.34 and 57,508.66
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Solution
The fourth proportional to 105,252.36, 145,250.34 and 57,508.66 is: 79,363.09
Step by Step Solution
- Step 1: Write the proportion equation
105,252.36 : 145,250.34 = 57,508.66 : x - Step 2: Convert to fraction form
105,252.36/145,250.34 = 57,508.66/x - Step 3: Cross multiply
105,252.36x = 145,250.34 × 57,508.66 - Step 4: Simplify right side
105,252.36x = 8,353,152,417.94 - Step 5: Solve for x
x = 8,353,152,417.94/105,252.36 - Step 6: Final answer
x = 79,363.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.